Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site utastro.UUCP Path: utzoo!decvax!genrad!panda!talcott!harvard!seismo!ut-sally!utastro!ethan From: ethan@utastro.UUCP (Ethan Vishniac) Newsgroups: net.space Subject: Re: Voyager, on to Uranus. Message-ID: <463@utastro.UUCP> Date: Thu, 1-Aug-85 11:06:38 EDT Article-I.D.: utastro.463 Posted: Thu Aug 1 11:06:38 1985 Date-Received: Sat, 3-Aug-85 04:17:27 EDT References: <1792@aecom.UUCP> <1746@bmcg.UUCP> <1049@ames.UUCP> <1052@ames.UUCP> <408@kontron.UUCP> <430@utastro.UUCP> <1065@ames.UUCP> Distribution: na Organization: U. Texas, Astronomy, Austin, TX Lines: 29 > > > > > > So again, nine years later, "Where's it going?" > > > > Nowhere. It is not pointing anywhere near the nearest stars. By the time > > it gets very far all the stars will have moved. We have no idea where it > > might end up, but odds are that it will never pass close to another > > planetary system. > > Sorry Ethan, this is not entirely true. While it is true that there is no > deliberate target, someone at JPL [sorry, forgot to copy his name down, > he deserves the credit] calculated the motions of local stars to 100,000 > years. Both Voyagers will pass to around 1 Light-year (approx) of the > star AC +79 3888 in about 40,000 years. AC +79 3888 is currently 17 > light years away and is expected to be about 3 light years away by that time. > [The velocity is left as an excercise to elementary school students...]. ;-) > After Neptune encounter of V 2, a decision will be made whether to use the > remaining manuveuring fuel to improve the current trajectory for a > closer encounter with AC +79 3888. > > --eugene miya Hmmmmmm.......................... Anyone out there who thinks one light year counts as close can call me a liar. -- "Don't argue with a fool. Ethan Vishniac Borrow his money." {charm,ut-sally,ut-ngp,noao}!utastro!ethan Department of Astronomy University of Texas